Hoshizaki JWE-24000CUA-L-25B IV. Removal and Replacement of Components, Removal of Panels

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IV. Removal and Replacement of Components

WARNING

1.This unit should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire.

2.Use the “ON/OFF” button on the operation panel to turn off the unit, then turn off the dishwasher and booster tank power supplies. Lockout/Tagout to prevent the power supplies from being turned back on inadvertently.

3.When draining the booster tank, wait until the water temperature falls below 104°F (40°C) to avoid possible burns.

4.To avoid possible burns and spills, be sure to drain the wash tank and booster tank and let the components cool before servicing.

5.When disassembling components that have been in contact with detergent, wear rubber gloves and goggles. Before starting disassembly, thoroughly read the detergent safety instructions. Contact with skin may cause irritation and contact with eyes may cause blindness.

6.When reassembling components, be sure to use new O-rings and gaskets.

A.Removal of Panels

1)The front panel and side panels (L) and (R) are inserted inside the tank rim at the top and secured with 2 screws at the bottom. Unscrew and pull down to remove.

Note: The side panel at the booster tank side is not removable.

2)To replace, reverse the above procedure.

B.Removal and Replacement of Wash Pump Motors

To remove:

1)Use the “ON/OFF” button on the operation panel to turn off the unit, then turn off the dishwasher and booster tank power supplies. Lockout/Tagout to prevent the power supplies from being turned back on inadvertently.

2)Drain the wash tank.

3)Remove the front panel.

4)Remove the fan motors.

5)Disconnect the wash pump motor wiring at the closed end connectors.

6)Remove the bands, and disconnect the wash pump motors from the tank discharge outlets and suction inlets.

7)Loosen the wash pump motor bracket mounting screws to remove the wash pump motors together with the brackets.

8)Remove the pump plugs and the brackets from the wash pump motors.

To replace:

Note: Be sure to use new O-rings and gaskets.

1)Attach the brackets and the pump plugs to the wash pump motors.

2)Fit the O-rings to the wash pump motor discharge outlets and suction inlets.

3)Hook the brackets on the mounting screws left on the unit.

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Contents Model JWE-2400CUA-L-25B JWE-2400CUA-R-25B Hoshizaki AMERICA, INC Contents Page Important Safety Information Serious injuryProperty Indicates important information about the use and careDishwasher Side Booster Side AC Supply Voltage Right to Left Nameplate Rating Dimensions/Connections JWE-2400CUA-L-25BJWE-2400CUA-R-25B II. General Information A. Construction DishwasherBooster Tank Top ViewBox Increasing Rinse Water Flow Rate FunctionsSequence of Operation Page Drain Table Limit SwitchEmergency Stop Button Flow Chart Dishwasher Sequence Flow Chart JWE-2400CUA-25BCycle ChartAuto Fill Wash Cycle/Rinse Cycle Control Board and Operation Board Control Board LocationControl Board Layout CN4Control Board Diagram CN1 CN2Service Menu and Error Log Error CodesWater Temperature Lamps DisplayConveyor Speed Switch Service Menu AccessReady Lamp Wash LampService Menu Chart Item and Details Setting Range DisplayBuzzer Temperature DisplayError Codes Continuous Wash Mode Low Water Temperature Lock FunctionOperation Time Display Special ModesOFF Switch Open/Closed Display Mode III. Service DiagnosisDiagnostic Procedure Page Error Codes Error Code TableError Code Log Error Code Details Auto Fill Error A1Page Booster Tank Auto Fill Error A2 Wash Tank Water Level Error A3 Page Page Wash Tank Thermistor Error H1, H2 Booster Tank Thermistor Error H3, H4 ROM/RAM Error H5 Eeprom Error H6Conveyor Overload or Table Limit Error 1 L1 Conveyor Overload or Table Limit Error 2 L2 Booster Tank Error b1 Booster Tank Water Level Safety Error b2 Service Flow Charts Unit Will Not StartSee III.B. Error Codes Replace Dishes Not Clean Page Inadequate Rinse Dishwasher Will Not Start Wash/Rinse Cycle Dishwasher will not start wash/rinse cycleNo or Inadequate Detergent/Rinse Aid Supply Wash Tank Water BoilsWash Tank Water Not Draining Float Switch Cleaning Float Switch Check and CleaningFloat Switch Check Thermistor Check Removal of Panels IV. Removal and Replacement of ComponentsRemoval and Replacement of Wash Pump Motors Removal and Replacement of Rinse Pump Motor Rinse Pump Motor Page Removal and Replacement of Gear Motor Removal and Replacement of Conveyor Removal and Replacement of Crankshaft Removal and Replacement of Control Box Removal and Replacement of ThermistorRemoval and Replacement of Control Board or Operation Board Control BoardOperation Board Removal and Replacement of Heater Removal and Replacement of Float Switch Removal and Replacement of Thermostat Cleaning and Maintenance Instructions Daily Maintenance Wash the curtains Silverware Rack Rail Ring Install the curtain L in the wash compartment Weekly Maintenance Monthly InspectionHeater ExteriorDescaling As Required ShutdownService Panel Hook Long Storage, Relocation, Disposal, Transfer VI. Operating InstructionsVII. Technical Information Water Circuit Wiring Diagram
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JWE-2400CUA-R-25B, JWE-24000CUA-L-25B specifications

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